INVESTIGATION OF SMS TRAFFIC TRANSMISSION
IN COMMUNICATION NETWORK

Nadezhda N. Ermakova

Postgraduate Student, Department of Telecommunications Systems,
Volgograd State University
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Prosp. Universitetsky, 100, 400062 Volgograd, Russian Federation

Aleksandr I. Trofimov

Student, Department of Telecommunications Systems,
Volgograd State University
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Prosp. Universitetsky, 100, 400062 Volgograd, Russian Federation

Evgeniy S. Semenov

Candidate of Sciences (Engineering), Associate Professor,
Head of the Department of Telecommunications Systems,
Volgograd State University
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Prosp. Universitetsky, 100, 400062 Volgograd, Russian Federation

Abstract.
The article explores the features and methods of sending SMS traffic using the API
(Application Programming Interface), discusses the parameters and API functions for sending
Short Message Service (SMS) messages, also analyzes of causes of the loss of the traffic and
the options for subsequent prevention of this loss. The scheme of the interaction between the
Short Message Service Center (SMSC) and ordinary subscribers is considered. The popular
protocol Short Message Peer-to-Peer (SMPP) was used as the protocol under study, capable
of transmitting any type of messages, and is an open protocol in the telecommunications
industry, which is designed specifically to provide a flexible interface for exchanging SMS
messages between SMS applications, platforms, routers and short message service centers.
The analysis of the captured traffic was carried out using special software – Wireshark, that
allows to apply filters to track the protocols that are used for SMS transmission. Various types
of losses in telecommunication networks are considered and a correlation is established with
the factors which affect the communication channel. The results obtained can be used to
develop an algorithm for searching for lost packets that occur when traffic passes through switching
nodes. This model is able to improve the quality of service for telecom operators.
Key words: network traffic, SMS, data analysis, SMS messages, data transfer protocols, SMPP 
protocol, data packet loss.
 
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